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Method for improving the air quality in the limited space and the equipment using thereofRelated Patent Categories: Gas Separation: Processes, With Control Responsive To Sensed Condition, Temperature SensedMethod for improving the air quality in the limited space and the equipment using thereof description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060288865, Method for improving the air quality in the limited space and the equipment using thereof. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a method for improving air quality in a limited space and an equipment used thereof, and, more particularly, to a method for suctioning air from the limited space, making oxygen outside the limited space and supplying oxygen for breath into the limited space, and an equipment used thereof. [0003] 2. Background of the Related Art [0004] Air conditioner provides a comfort environment for people's work and living. For this reason, as the development of society, the air conditioner has been used widely. Unfortunately, however, as the limited space is required to be enclosed, there is a negative effect occurred that long-term use deteriorates air quality in the limited space. Particularly, this easily attribute to disease infection and spread. During SARS in 2003, in order to prevent virus of SARS from infecting through air, almost all air conditioners, especially central air conditioners, are turned off according to the requirement of the Chinese Ministry of Health. Meanwhile, for enhancing ventilation, it is required to open all of the windows and doors. These enforced measures make advantages of the air conditioners void. [0005] In addition, an advanced multi-function disinfecting machine has functions of disinfect, deodorization and air purification. It is used in places of easy infection for professionally disinfect and air purification, such as operation rooms in hospitals. However, the disinfecting machine has neither a function of cooling or heating that an air conditioner has, nor a function of air exchange. In s addition, the operation of the disinfecting machine is professional and the cost is expensive. Therefore, it cannot be used widely. [0006] Furthermore, a small-type pressure swing adsorption (PSA) oxygen concentrator uses air as source. It suctions air with an air compressor and then pressurizes the air. After separation in the PSA, oxygen and nitrogen of the air are separated, thereby obtaining fresh oxygen of high concentration for breath. Thus, the oxygen concentration equipment has a function of health care and a certain effect of treatment. Because the conventional small-type PSA oxygen concentrator is a single unit positioned inside a room, it noises the persons in the room. Furthermore, the conventional small-type PSA oxygen concentrator extracts oxygen for breath from the air in the room, while discharging nitrogen (exhaust gas) left by air separation into the room. With respect to the room with air conditioner therein, after being maintained a closed state for a long term, discharging nitrogen into the room by the indoor oxygen concentrator sharpens the deterioration of the air quality as indoor air quality has been deteriorated. [0007] Therefore, it is necessary to provide a method with low cost to improve air quality in a limited space and to provide oxygen for breath into the limited space, and an equipment used thereof, which is capable of being combined with an air conditioner and making little noise in the limited space. SUMMARY OF THE INVENTION [0008] An object of the present invention is to provide an equipment for improving air quality in a limited space, which can effectively improve air quality in the limited space and has a low cost. [0009] Another object of the present invention is to provide an equipment for improving air quality in the limited space, which suctions air from the limited space and making oxygen outside the limited space so as to decrease noise in the limited space. [0010] A further object of the present invention is to provide an equipment for improving air quality in the limited space, which can effectively enhance oxygen concentration of air in the limited space and ensure it under safety limits. [0011] Another further object of the present invention is to provide an equipment for improving air quality in the limited space, which may be used together with an air conditioning equipment and may be combined with a set of disinfecting equipment. [0012] In order to solve the above-mentioned problems, a method for improving air quality in a limited space according to the present invention comprises: a process of suctioning air from the limited space, comprising suctioning air from the limited space and transferring them outside the limited space as an air source for making oxygen; a process of making oxygen outside the limited space, comprising extracting oxygen from the air source transferred outside the limited space, and directly discharging waste gas generated therefrom outside the limited space; a process of supplying air into the limited space, comprising transferring extracted oxygen into the limited space and supplying the oxygen via a oxygen-supply controller; and a process of supplementing air into the limited space, comprising supplementing air into the limited space during the process of suctioning air from the limited space. [0013] Preferably, in a circulating process of the air inside the limited space, the air in the limited space circulates through a disinfecting equipment and a heat exchanger so as to achieve temperature control and disinfecting in the limited space. [0014] Preferably, the oxygen is supplied to users in the limited space via a humidification pot and a straw during the process of supplying into the limited space. [0015] Preferably, the oxygen is transferred into the limited space after ionization in an oxygen nozzle and an anion generator during the process of supplying air into the limited space. [0016] Preferably, the process of supplementing air into the limited space starts when a negative pressure occurs in the limited space. [0017] Preferably, the ratio of the air suctioned in the process of suctioning air from the limited space to the oxygen extracted in the process of making oxygen outside the limited space and supplied in the process of supplying air into the limited space is more than 10, and the air supplemented in the process of supplementing air into the limited space equals the difference between the suctioned air in the process of suctioning air from the limited space and supplied oxygen in the process of supplying oxygen into the limited space. [0018] An equipment for improving air quality in a limited space comprises: an inner machine positioned inside the limited space, comprising an air-suction purger and an oxygen-supply controller, wherein the air-suction purger comprises an air outlet and an air inlet communicating with the limited space, and the oxygen-supply controller comprises an oxygen input port and an oxygen output port; an outer machine comprising an air inlet and an oxygen outlet, the air inlet being connected to the air outlet of the air-suction purger, the oxygen outlet being connected to the oxygen input port of the oxygen-supply controller; and an air supplement equipment comprising an air input and a air output, the air input being outside the limited space and the air output being in the limited space. [0019] Preferably, the air-suction purger comprises a housing with air grills, a filter net and a filter element, wherein the filter net and the filter element are enclosed in the housing. [0020] The air supplement equipment is an air balance filter positioned between the limited space and ambient atmosphere. [0021] The oxygen-supply controller comprises a control switch, an electromagnetic valve, a medical humidification pot, a straw and a display alarm for detection of breathing oxygen concentration. [0022] The oxygen-supply controller comprises an oxygen nozzle, an anion generator and an anion output, wherein the anion generator includes a carbon fibre head. Continue reading about Method for improving the air quality in the limited space and the equipment using thereof... 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